Yes you are right and why ??? I often simply edit the header info in
the tab or wor to downspec the version statement and I can open many
new mapinfo files even in 4.1 , 4.1 16 bit (which we use for a few
custom mbx's we had built) , 4 for PowerMac and 4.5 so I can't see
why MI cannot at least allow some backward compatibility.
If you of course are reliant on using some of the more obscure recent
line styles improvements, thematic mapping additions or need the over
36,000 node polygons and lines that may fairly well restrict your
ability. Welcoming the improvements in linestyle sizes and options in
4.5, we mainly use thematic mapping to alter line styles rather than
in the basic data to ensure older versions can remain functional.
Since my department budget for software was cut 60% this year I am
looking at what maintenance contracts we have, and will be looking at
sustaining a variety of version for a few another year since I simply
make a bigger rod for my own back each time I upgrade mapinfo and we
lose an existing user until this problem is resolved by whatever
action. This is making this a real issue to me.
I do not see any good reason why in its 'save table as ', and 'save
workspace as' options they cannot allow users to choose to save files
as older 4.* types not simply as version 2. If Adobe and Microsoft
are able to offer this feature with #350 notes software why can't
Mapinfo.
Is an answer needed!
Adrian
>Can someone please verify that MI 4.1 and 4.5 versions cannot open MI 5.5
>tables and workspaces? I have a co-worker in another city that says that
>4.1 and 4.5 cannot open 5.5 workspaces and that 4.1 and 4.5 can only open
>some 5.5 tables.
>
>tia
>
>steve
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